APA

Brown Lester R,, . (1993). The world transformed: Envisioning an environmentally safe planet. : The Futurist.

Chicago

Brown Lester R,, . 1993. The world transformed: Envisioning an environmentally safe planet. : The Futurist.

Harvard

Brown Lester R,, . (1993). The world transformed: Envisioning an environmentally safe planet. : The Futurist.

MLA

Brown Lester R,, . The world transformed: Envisioning an environmentally safe planet. : The Futurist. 1993.